I noticed today that my gravel is really compacted in some areas which probably isn't helping my plants at all. And I was thinking about maybe going to petsmart and seeing if they would give me some mts since there tanks are covered lol. I don't think they eat plants. The only thing I'm worried about is if I'll get an uncontrollable population. I'm just wondering if it is worth it or not to risk it? I went through the pond snail outbreak so I guess I could make it through another if it comes to that, lol.